AKG WMS40 Wireless Lavalier Microphone System 7661 X 03210 B&H
AKG PT40 Mini Pro US 45 B 661.100 MHz Wireless Bodypack Pocket Transmitter | eBay
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Amazon.com: AKG Pro Audio WMS40MINI Wireless Microphone System, Instrumental Set Band US25D, with SR40 Receiver and PT40 Mini Pocket Transmitter : Musical Instruments
PT40 - AKG US
PT40 Pro - AKG US
Amazon.com: AKG WMS 40 Mini Wireless Instrument System (US 45 B, 661.100 MHz) : Musical Instruments